1/* { dg-do compile } */
2
3struct VectorD2
4{
5  VectorD2() : x(0), y(0) { }
6  VectorD2(int _x, int _y) : x(_x), y(_y) { }
7  int x, y;
8  int GetLength2() const { return x*x + y*y; };
9  VectorD2 operator+(const VectorD2 vec) const {
10      return VectorD2(x+vec.x,y+vec.y);
11  }
12};
13struct Shape
14{
15  enum Type { ST_RECT, ST_CIRCLE } type;
16  VectorD2 pos;
17  VectorD2 radius;
18  bool CollisionWith(const Shape& s) const;
19};
20bool Shape::CollisionWith(const Shape& s) const
21{
22  if(type == ST_CIRCLE && s.type == ST_RECT)
23    return s.CollisionWith(*this);
24  return (pos + s.pos).GetLength2() < (radius + s.radius).GetLength2();
25}
26